We've wrongfully imprisoned and executed plenty of innocent men. Another case of freeing a man after 48 years wrongfully jailed just weeks ago https://www.bbc.

We've wrongfully imprisoned and executed plenty of innocent men. Another case of freeing a man after 48 years wrongfully jailed just weeks ago https://www.bbc.com/news/world-us-canada-67782907 https://www.bbc.com/news/world-us-canada-67782907 It's not something we used to do, it's something we still do. What checks take care of this?